Removing and Installing Parts 1437 Replace the computer cover (see "Replacing the Computer Cover" onpage 164).NOTICE: To connect a network cable, first plug the cable into the network deviceand then plug it into the computer.8 Connect your computer and devices to electrical outlets, and then turnthem on.9 Enter system setup (see "System Setup" on page 172) and restore thesettings you recorded in step 1. Then go to the Maintenance section andclear the low battery and other errors associated with the batteryreplacement in the Event Log.10 Properly dispose of the old battery.See the Product Information Guide for battery disposal information.Power SupplyCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions located in the Product Information Guide.NOTICE: To prevent static damage to components inside your computer,discharge static electricity from your body before you touch any of your computer’selectronic components. You can do so by touching an unpainted metal surface onthe computer chassis.Replacing the Power Supply1 Follow the procedures in "Before You Begin" on page 97.2 Remove the computer cover (see "Removing the Computer Cover" onpage 99).3 Disconnect the DC power cables from the system board and the drives.Note the routing of the DC power cables underneath the tabs in thecomputer chassis as you remove them from the system board and drives.You must route these cables properly when you replace them to preventthem from being pinched or crimped.4 Remove the hard drive cable, CD or DVD drive data cable, front panelribbon cable, and any other cables from the securing clip on the side of thepower supply.
